%0 Journal Article
%T To the memory of D. A. Usanov (1943 – 2019)
%J Izvestiya VUZ. Applied Nonlinear Dynamics
%D 2019
%P 114-116
%V 27
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVP_2019_27_4_a6/
%G ru
%F IVP_2019_27_4_a6